Question

A mixture of potassium dihydrogen phosphate and dipotassium hydrogen phosphate is an example of

• A. Serum
• B. Buffer
• C. Plasma
• D. None of the above

Answer 1

The correct option is B Buffer

Potassium dihydrogen phosphate ($K{H}_{2}P{O}_4$) and dipotassium hydrogen phosphate ($K_{2}HP{O}_4$) are phosphate salts and are used to prepare buffer solutions. Thus the correct answer is option B.